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244124331131 = 713438370861
BaseRepresentation
bin1110001101011011110…
…0011010110001111011
3212100010102222221200202
43203112330122301323
512444431312044011
6304052115352415
723431425401552
oct3432674326173
9770112887622
10244124331131
119459490326a
123b3908b270b
131a0369a5555
14bb5c328d99
15653c09023b
hex38d6f1ac7b

244124331131 has 4 divisors (see below), whose sum is σ = 247562702064. Its totient is φ = 240685960200.

The previous prime is 244124331103. The next prime is 244124331151. The reversal of 244124331131 is 131133421442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244124331131 is a prime.

It is a super-2 number, since 2×2441243311312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244124331094 and 244124331103.

It is not an unprimeable number, because it can be changed into a prime (244124331151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719185360 + ... + 1719185501.

It is an arithmetic number, because the mean of its divisors is an integer number (61890675516).

Almost surely, 2244124331131 is an apocalyptic number.

244124331131 is a deficient number, since it is larger than the sum of its proper divisors (3438370933).

244124331131 is an equidigital number, since it uses as much as digits as its factorization.

244124331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438370932.

The product of its digits is 6912, while the sum is 29.

Adding to 244124331131 its reverse (131133421442), we get a palindrome (375257752573).

The spelling of 244124331131 in words is "two hundred forty-four billion, one hundred twenty-four million, three hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 71 3438370861 244124331131